package com.it.App.exception;

import cn.hutool.json.JSONUtil;
import com.it.App.vo.Response;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * @Author: Coke
 * @DateTime: 2023/11/23/16:34
 * @注释: 认证失败异常处理
 **/
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {

        response.setContentType("application/json;charset=UTF-8");
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        ServletOutputStream outputStream = response.getOutputStream();
        Response<?> result = Response.error(HttpStatus.UNAUTHORIZED.value(), "用户认证失败！请重新登录");
        outputStream.write(JSONUtil.toJsonStr(result).getBytes(StandardCharsets.UTF_8));
        outputStream.flush();
        outputStream.close();
    }
}
